填空题。
【小题1】My father is working on the computer, but my brother starts to __________ (cry).
【小题2】"Come in, please!" I say. My friend Lucy __________ (come) in.
【小题3】We go to school __________ half past seven.
【小题4】My father __________ (watch) TV every day.
【小题5】Amy often __________ (buy) a card for her teacher on Teachers' Day.

Please give the story books back______three weeks. (    )

A．on

B．at

C．in

按要求完成句子。
【小题1】— When is the school trip? — It’s _________.
【小题2】My birthday is ____________.
【小题3】 ________ is the maths test? It’s ____________.
【小题4】We will have a party ________ Children’s Day.
【小题5】The ________ month of a year is April.

Labour Day，or May Day， is _____ May 1^st. ( )

A．on

B．in

C．at

I get up ________ six o'clock. (   )

A．in

B．at

C．on